Bug fixes
- Add platform-specific icon handling in dataslicer.spec ([`257344c`](https://github.com/markm-io/dataslicer/commit/257344c5f51e6c6e3ae997b39c3cc173258baa9c))
- Update codespell configuration and add dataslicer.spec for packaging ([`a6aaa8c`](https://github.com/markm-io/dataslicer/commit/a6aaa8cf3b032b8081671d9136f0f2bf67c984ac))